After the guest checks in, the P.A. attendant shall immediately clean the room every time the guest goes out, and be sure to keep the room clean before the guest returns to the room.
正确
错误

传感器的灵敏度越高可能导致下列哪些结果

未知题型传感器的灵敏度越高可能导致下列哪些结果

要使父母本花期相遇，可通过

未知题型要使父母本花期相遇，可通过

亲本配组时要注意

未知题型亲本配组时要注意